Residents of Wilberforce, Algona N — Sub-district L, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 11 | obrien | michel | M | 65 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 9 |
| 12 | odriscoll | john | M | 17 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 143 |
| 9 | odriscoll | joseph | M | 23 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 143 |
| 4 | odriscoll | mary | F | 42 | Roman Catholic | Irish | Ontario | No Occupation Listed | 87 |
| 10 | odriscoll | mary | F | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 143 |
| 3 | odriscoll | michael | M | 48 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 87 |
| 5 | odriscoll | michael | M | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 87 |
| 8 | odriscoll | patrick | M | 68 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 143 |
| 11 | odriscoll | patrick | M | 19 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 143 |
| 13 | odriscoll | thomas | M | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 143 |
| 18 | ogorman | elen | F | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 19 | ogorman | elizabeth | F | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 17 | ogorman | margaret | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 15 | ogorman | margarett | F | 58 | Roman Catholic | Scottish | Ontario | No Occupation Listed | 94 |
| 20 | ogorman | rebecca | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 16 | ogorman | sinon | M | 25 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 94 |
| 21 | ogorman | terressa | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 14 | ogorman | thomas | M | 60 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 94 |
| 5 | okain | catherine | F | 50 | Roman Catholic | Irish | Ireland | No Occupation Listed | 93 |
| 12 | okain | catherine | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 93 |
| 10 | okain | hanah | F | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 93 |
| 13 | okain | jacob | M | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 93 |
| 7 | okain | margarett | F | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 93 |
| 9 | okain | mary | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 93 |
| 4 | okain | michael | M | 60 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 93 |
| 11 | okain | michael | M | 17 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 93 |
| 8 | okain | sinon | M | 24 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 93 |
| 6 | okain | thomas | M | 29 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 93 |
| 18 | oneil | agnes | F | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 96 |
| 11 | oneil | catherine | F | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 96 |
| 16 | oneil | elizabeth | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 96 |
| 9 | oneil | jeremiah | M | 46 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 96 |
| 15 | oneil | jeremiah | M | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 96 |
| 12 | oneil | john | M | 18 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 96 |
| 17 | oneil | margarette | F | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 96 |
| 10 | oneil | mary | F | 38 | Roman Catholic | Irish | Ontario | No Occupation Listed | 96 |
| 13 | oneil | mary | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 96 |
| 14 | oneil | william | M | 14 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 96 |
| 21 | oshaughnessy | ann | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 7 |
| 15 | oshaughnessy | elen | F | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 12 | oshaughnessy | hanora | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 5 |
| 16 | oshaughnessy | hanora | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 13 | oshaughnessy | margaret | F | 40 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 150 |
| 22 | oshaughnessy | margret | F | 24 | Roman Catholic | Irish | Ireland | No Occupation Listed | 7 |
| 14 | oshaughnessy | martin | M | 40 | Roman Catholic | Irish | Ireland | No Occupation Listed | 150 |
| 23 | oshaughnessy | marton | M | 23 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 7 |
| 1 | oshaughnessy | mary | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 17 | oshaughnessy | michael | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 24 | oshaughnessy | michel | M | 22 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 7 |
| 20 | oshaughnessy | simon | M | 66 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 7 |
| 25 | oshaughnessy | simon | M | 19 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 7 |
| 18 | oshaughnessy | simon | M | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 5 | ovreill | william | M | 35 | Roman Catholic | Irish | Germany | Lumberers and loggers | 94 |